drm/amdkfd: correct pipe offset calculation

Correct pipe offset calculation in is_pipe_enabled function,
it should be done in queues.

Signed-off-by: Jiansong Chen <Jiansong.Chen@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
index f0a6f6665c81560f9d757ac55c9b98b36ded9b84..e686ce2bf3b3cd032ff7cb90df15924d66295523 100644 (file)
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -72,8 +72,8 @@ enum KFD_MQD_TYPE get_mqd_type_from_queue_type(enum kfd_queue_type type)
 static bool is_pipe_enabled(struct device_queue_manager *dqm, int mec, int pipe)
 {
        int i;
-       int pipe_offset = mec * dqm->dev->shared_resources.num_pipe_per_mec
-               + pipe * dqm->dev->shared_resources.num_queue_per_pipe;
+       int pipe_offset = (mec * dqm->dev->shared_resources.num_pipe_per_mec
+               + pipe) * dqm->dev->shared_resources.num_queue_per_pipe;
 
        /* queue is available for KFD usage if bit is 1 */
        for (i = 0; i <  dqm->dev->shared_resources.num_queue_per_pipe; ++i)